211 results about "Allyl amine" patented technology

The invention aims to provide a method for synthesizing novel perfluoropolyether alkoxysilane applied to anti-fingerprint paint through reaction of perfluoroalkyl ether acyl fluoride, allyl amine and trimethoxy silane. The method is characterized by comprising the following steps: (1) adding perfluoroalkyl ether acyl fluoride and allyl amine into a reaction vessel at the molar ratio of 1 to (1-1.1), adding a certain amount of solvent and alkali into the reaction vessel, and performing stirring overnight at a room temperature; performing filtration, performing distillation under reduced pressure to remove the solvent, and performing silica gel column separation, wherein an eluting agent is composed of heptane and ethyl acetate at the ratio of 6 to 1, and a product is obtained after the solvent is removed; (2) a certain amount of product obtained in the step (1) and a catalyst are added into a reaction kettle, sealing the reaction kettle, performing nitrogen protection, placing the reaction kettle in oil bath, heating the reaction kettle to specified temperature, and performing stirring for reaction for 48 hours; quickly cooling the reaction kettle to room temperature after the reaction is finished; performing distillation under reduced pressure on the product of the reaction to remove solvent, and then performing separation and purification through silica gel columns to obtain the product (namely the novel perfluoropolyether alkoxysilane). The product prepared by the invention is applied to anti-fingerprint paint, has the characteristics of fingerprint reduction, easiness in cleaning, wear resistance and the like, and is suitable for lots of base materials, such as glass, plastic, metal and films.

The invention relates to a cationic high-molecular low-temperature self-crosslinking formaldehyde-free color fixing agent and a preparation method. The color fixing agent is prepared from the following raw materials: dimethyl diallyl ammonium chloride containing 350 to 420kg of cationic monomer, water-soluble monomer comprising 0 to 20kg of acrylamide and 0 to 20kg of allyl amine, 10 to 20kg of low-temperature self-crosslinking reactive monomer, 10 to 20kg of low-temperature self-crosslinking accelerant, 1.0 to 2.0kg of evocating agent (ammonium persulfate) and 380 to 450kg of deionized water. The cationic high-molecular low-temperature self-crosslinking formaldehyde-free color fixing agent has the advantages that the color fixing agent can achieve ideal color-fixing effect and increase dye utilization rate, dyeing fastness and product quality. The preparation method has simple production process flow and low cost, and adopts a closed production process and special production equipment, thereby converting all input raw materials into products; and 'three wastes' (waste gas, waste water and waste residue) do not generated during the entire production course and the method is suitable for industrialized production.

Amine polymers, particularly aliphatic amine polymers, are useful in the treatment and prevention of bone disease and in methods for promoting bone formation. Sevelemer, polyallylamine crosslinked with epichlorohydrin, which is sold under the tradename Renagel®, is the preferred polymer used in the invention.

Objects of the invention are to provide a method in which coated metal fine particles are smoothly manufactured when the coated metal fine particles are manufactured using a metal amine complex decomposition method, and, particularly, to provide coated metal fine particles that can be smoothly sintered even at a low temperature. The manufacturing method of coated metal fine particles includes a first step of mixing an amine liquid mixture of an alylamine having 6 or more carbon atoms and an alkylamine having 5 or less carbon atoms with a metal compound including one or more metal atoms, thereby generating a complex compound including the metal compound and amines; and a second step of heating and decomposing the complex compound, thereby generating coated metal fine particles.

A solution for treating a surface of an iron material includes (a) zirconium fluoride; (b) ion of a rare earth element and / or a compound containing a rare earth element; (c) a polyallylamine; (d) aluminum ion; and (e) free fluorine ion. Zirconium in the component (a) is at a weight concentration A of 10 to 1000 ppm. The ratio K of the weight concentration B of the rare earth element in the component (b) to the weight concentration A (B / A) is 0.1 to 30. The component (d) is at a weight concentration D of 50 to 250 ppm. The component (e) is at a weight concentration E of 0.5 to 30 ppm. A coating having excellent corrosion resistance before and after the subsequent coating can be deposited on the surface of an iron material by using the surface treating solution which does not contain environmentally harmful ingredients.

Provided is an aqueous liquid composition including a water-based medium containing water, a polymer having at least one type of groups selected from hydroxyl groups and amino groups, and phosphonobutanetricarboxylic acid. The polymer is at least one polymer selected from the group consisting of a polysaccharide, polyamino acid, polyvinyl alcohol, polyallylamine, polyvinylamine, a polyamidine, a polyethylenimine, and their derivatives.

The polishing agent of the invention comprises water, an abrasive grain containing a hydroxide of a tetravalent metal element, polyalkylene glycol, and at least one cationic polymer selected from the group consisting of allylamine polymers, diallylamine polymers, vinylamine polymers and ethyleneimine polymers.

An improved antifungal composition for topical application to the skin and nails comprises: (1) an allylamine antifungal compound; (2) an aliphatic alcohol substituted with an aromatic substituent in which the allylamine antifungal compound is soluble to a degree that a therapeutically effective concentration of the allylamine antifungal compound can be applied topically in solution; (3) a lower aliphatic alcohol in which the aromatic alcohol is soluble; and (d) water or a water-compatible solvent mixture. The allylamine antifungal compound can be terbinafine or naftifine. The aliphatic alcohol substituted with an aromatic substituent can be benzyl alcohol or phenethyl alcohol. The lower aliphatic alcohol can be ethyl alcohol or isopropyl alcohol. In an alternative, the composition can further comprise an additional antifungal compound. Another aspect of the invention is a method for treatment of a fungal infection of skin or nails comprising administering the antifungal composition of the present invention topically to the skin or nails in an amount therapeutically effective to treat the fungal infection.

The invention discloses a method for preparing an anticoagulant vascular stent, which comprises the following steps of: A, depositing a plasma-polymerized allyl amine functional film on the surface of the vascular stent by using a pulse plasma polymerization method; B, preparing heparin sodium mixed solution; and C, precipitating heparin sodium, namely soaking the vascular stent on which the plasma-polymerized allyl amine functional film is deposited prepared in the step A into the heparin sodium mixed solution prepared in the step B, reacting at the temperature of between 4 and 20 DEG C for 12 to 48 hours, and after the reaction, fully rinsing by using distilled water, and drying to obtain the anticoagulant vascular stent. The vascular stent prepared by the method has the advantages of high binding force between an anticoagulant film layer on the surface of the vascular stent and the vascular stent, and excellent tissue compatibility and blood compatibility.

The present invention provides a crosslinked amine and amide polymers effective for binding and removing bile salts from the gastrointestinal tract. These bile acid binding polymers or pharmaceutical compositions thereof can be administered to subjects to treat various conditions, including hypercholesteremia, diabetes, pruritis, irritable bowel syndrome-diarrhea (IBS-D), bile acid malabsorption, and the like.

The invention discloses an amidated graphene oxide modified polycarboxylate superplasticizer. The main raw materials include: graphene oxide, methylallyl polyoxyethylene ether, acrylic acid, allyl amine, maleic anhydride, water, an oxidizing agent, a reducing agent, a condensation agent and an activating agent. The main method includes: firstly subjecting allyl amine and graphene oxide to amidation reaction to prepare allyl amine modified graphene oxide, then mixing the obtained allyl amine modified graphene oxide with methylallyl polyoxyethylene ether, acrylic acid and maleic anhydride, carrying out polymerization reaction under the initiation of the oxidizing agent and reducing agent, thus obtaining the amidated graphene oxide modified polycarboxylate superplasticizer. The method provided by the invention mainly utilizes the amidation reaction of allyl amine and graphene oxide to realize close combination of a graphene oxide two-dimensional nano lamellar structure with polycarboxylate superplasticizer molecules, so that graphene oxide can be better dispersed during application in concrete, and the synthesized superplasticizer product has more stable performance.

The invention discloses the preparation method of the ultra fine fiber membrane of an affinity acrylonitrile base copolymer. The acrylonitrile base copolymer is dissolved in solvent to form solution and then electrostatic spinning is conducted to prepare the fiber membrane. The mass percentage of the acrylonitrile base copolymer in the solution is two to eight percent; the spinning voltage of the electrostatic spinning is six to twenty five kv; the flow velocity of spinneret solution is 0.5 to 2.0 ml per hour with the deposition distance ranging from eight to twenty centimeters. The acrylonitrile base copolymer is acrylonitrile / allylamine copolymer, acrylonitrile / methyl allylamine copolymer, acrylonitrile / acrylamide copolymer or acrylonitrile / methacrylamide copolymer with the viscosity-average molecular weight being eighty to three hundred thousand; the solvent is one or various kinds which are mixed with random percentages of dimethyl sulfoxide, dimethyl formyl ammonia or dimethyl acetyl ammonia. After the glycan of the fixed shell of a chemical bond at the surface of the membrane, the membrane is used for separating and purify protein with simple operation, good chemical stability and low cost.

The invention relates to a method for preparing side-chain modified polysiloxane. The method comprises the following steps: (1) uniformly mixing dichlorohydrosilane with an organic solvent, dropping crylic acid or allyl alcohol or allyl amine into the mixed solution in ice bath, stirring to implement a reaction, after the reaction is completed, and performing vacuum distillation to remove the organic solvent so as to obtain a chlorosilane substituted product; (2) putting the chlorosilane substituted product and a catalyst into a solvent, performing a reaction for 4-20 hours at 30-90 DEG C, performing vacuum distillation to remove the organic solvent so as to obtain a silicon-hydrogen addition product; (3) performing co-hydrolysis on the silicon-hydrogen addition product with alkoxy silane or chlorosilane of bifunctionality, adding a proper amount of an end-capping reagent, and performing catalysis balance reaction, thereby obtaining side-chain modified polysiloxane. The raw methods are cheap and easy to obtain, the product yield is high, operation steps are simple and convenient, tedious steps of protection, deprotection and the like are not needed, and industrialization is easy to achieve.

The invention discloses a release mass transfer rate adjustable and controllable intelligent drug delivery carrier, which is a hollow spherical microcapsule. A membrane of the microcapsule mainly comprises poly[methacrylic-N, N-dimethylamino ethyl ester], super-paramagnetic Fe3O4 nanoparticles and poly(N-isopropyl acrylamide) temperature-sensitive sub-microspheres or poly[N-isopropyl acrylamide-copoly-acrylamide-copoly-allyl amine] temperature-sensitive sub-microspheres. A process for preparing the drug delivery carrier comprises the following steps of: (1) preparing the temperature-sensitivesub-microspheres; (2) preparing modified super-paramagnetic Fe3O4 magnetic fluid; (3) preparing intermediate phase fluid, inner phase fluid and outer phase fluid; and (4) preparing the drug delivery carrier.

Provided is an industrially advantageous process for producing allylamine polymers from various allylamines in an organic solvent with ease and at high yields, and the process comprises polymerizing allylamines in a medium containing an organic solvent in the presence of an azo compound selected from azo compounds of the formulae (I) and (II),wherein symbols are as defined in the specification.

The invention discloses a polycarboxylate superplasticizer with super high early strength and a preparation method of the polycarboxylate superplasticizer. The polycarboxylate superplasticizer is prepared as follows: amine polyoxyethylene ether, acrylic acid, maleic hydroxy acid ester and allyl amine are taken as monomers and added with an inorganic peroxide initiator for free radical copolymerization, main chains of molecules of the superplasticizer contain carboxylic acid groups, sulfonic acid groups and amino groups simultaneously, side chains adopt long-chain polyamine ether, and the ratio of polyoxyethylene ether to acrylic acid to water to maleic hydroxy acid ester to allyl amine to the inorganic peroxide initiator in parts by mass is 100:(20-30):(100-150):(2-10):(2-10):(0.1-0.5). The invention further provides the preparation method of the polycarboxylate superplasticizer. The polycarboxylate superplasticizer with super high early strength has the advantages of short setting time, high early strength, good adaptability, extremely low chlorine ion content and capability of improvement of the concrete durability; meanwhile, the production process is simple, low in cost, environment-friendly and pollution-free, and mass production can be realized.

The invention discloses a preparation method for aminoalkyl ended polysiloxane. The preparation method comprises the following steps: (1) allyl amine and trimethylchlorosilane react to produce N-trimethylsililyl allylamine with protective groups; (2) HSi key ended hydrosilicone oil and N-trimethylsililyl allylamine are subjected to hydrosilylation reaction to produce N-trimethyl silicane aminopropyl ended polysiloxane; and (3) the N-trimethyl silicane aminopropyl ended polysiloxane is subject to alcoholysis to remove the protective groups to obtain aminopropyl ended polysiloxane. Both the flexibility and the high-and-low temperature resistance of an LED epoxy resin packaging material adopting the product prepared by the method are improved, and the adhesion of LED addition pouring silicone rubber adopting the product can also be improved.

The invention relates to a method for preparing a 2-oxazolinone compound containing a trifluoromethyl group from an allyl amine compound in virtue of carbon dioxide. Specifically, the allyl amine compound as shown in a formula 1 which is described in the specification reacts with CO2 in a solvent in the presence of a copper catalyst, alkali and a trifluoromethylation reagent so as to prepare the 2-oxazolinone compound as shown in a formula 2 which is described in the specification. In the formula 2, R<1>, R<2>, R<4> and R<5> are independently selected from a group consisting of H, halogen, a cyano group, an alkyl group, a carbonyl group, an ester group, an aryl group, a heteroaryl group and the like, R4 or R5 can optionally form a ring with R1, and the alkyl group, the carbonyl group, the ester group, the aryl group and the heteroaryl group can be optionally substituted by halogen, the alkyl group or the like; and R3 is H, halogen, an alkyl group, an aryl group, or the like.

This invention relates to the surface modified silica by plasma polymerization coating, plasma polymerization method and plasma polymerization devices. Silica, active ingredients of EMC, is coated by plasma polymerization coating in order to enhance the adhesion of silica to epoxy resin and thus to improve the reliability of EMC. The monomers for the plasma polymerization coating were 1,3-diaminopropane, allylamine, pyrrole, 1,2-epoxy-5-hexene, allylmercaptan and allylalcohol, and the surface modified silica was utilized to prepare EMC for electronic devices. The plasma polymerization coating, which is known to be environment-friendly method, provided excellent flexural properties of EMC compared to the conventionally prepared EMC.

The invention relates to a synthetic method for bactericide of silthiopham, and the synthetic method comprises the following steps of: enabling 4,5-dimethyl-2-(trimethyl silica based) thiophene-3-methyl formate and allyl amine to flow back in a solvent I for reaction for 5-15 hours, cooling to room temperature after reaction, washing, and obtaining an organic phase through drying, concentration and recrystalization; or firstly evaporating the solvent I under negative pressure after reaction, then cooling to room temperature, washing, extracting dichloromethane, and obtaining the organic phase through drying, concentration and recrystalization, wherein the feeding molar ratio of 4,5-dimethyl-2-(trimethyl silica based) thiophene-3-methyl formate and allyl amine is 1:(1-2). The method has the characteristics that the raw material is cheap and easily available, the reaction temperature is mild, the reaction yield is high and the like, thus being applicable to large-scale production.

The present invention relates to processes for industrially advantageously producing, in high yields, an N,N-dialkylallylamine polymer or an addition salt thereof, a copolymer of N,N-dialkylallylamine and monoallylamine or an addition salt thereof, and a copolymer of N,N-dialkylallylamine and diallylamine or an addition salt thereof, which are useful for various uses in the field of fine chemicals and particularly useful as a water-resistance-imparting agent for an inkjet ink.

Polymers suitable for binding aflatoxins for use for in solid phase extraction of aflatoxins and immobilisation of aflatoxins in solid phase extraction (SPE) cartridges for qualitative or quantitative analysis of aflatoxins in solutions extracted from foodstuffs or feedstuffs are prepared from allylamine; methylene bisacrylamide (MBAA); acrylamide, ethyleneglycol-methacrylate phosphate (EGMP); 4-vinyl pyridine; or 2-acrylamido-2-methylpropane-sulfonic acid (AMPSA) monomers. Preferred embodiments are polymers containing acrylamide moieties such as acrylamide and MBAA. The polymers are preferably cross-linked, for example using ethylene glycol dimethacrylate (EGDMA) or divinyl benzene (DVB), and macroporous.

The present invention provides a preparing method of accelerating transmitting film containing poly allyl amine for separating acidic gas. The invention includes following steps: pretreatment using polysulphone or polyether sulfone plate film as base film; preparing casting film solution by mixing poly allyl amine solution with polyvinyl alcohol solution, plasmosan solution and polyacrylamide solution respectively, casting film solution coating on the base film; accelerating transmitting film containing poly allyl amine for separating acidic gas being obtained by dyring. The method has a simple process, the accelerating transmitting film has a better filming performance and pressure resistance, the mainly parameter is CO2 / CH4, CO2 / N2 separating factor 40-150, CO2 permeation rate (10-150) *10-6cm3(STP)cm-2s-1cmHg-1; H2S / CH4 separating factor 60-500, H2S permeation rate (50-900) *10-6cm3(STP)cm-2s-1cmHg-1.

A new method for the preparation of aminopropyl terminated or internal functionalized polyalkyl or aryl siloxanes is described. The method involves readily available commercial starting materials and proceeds under mild conditions in high yield. Purification is facilitated over present commercial procedures and a wider variety of internal functionalized siloxanes may be prepared. The method involves hydrosilation of commercially availably alkyl or aryl functional hydrosilicones with allyl amine or other alkenyl or arenyl amine in the presence of platinum (0) divinyltetramethylsiloxane or platinum (0) cyclovinyl complexes.

Chromatographic media of porous media particles derivatized with allylamine or polyallylamine obtained directly or through intermolecular polymerization on the surface thereof and such media functionalized with further functionalization groups. Such media are particularly useful for separating biomolecules.

The invention discloses water-based cleaning-free scaling powder, and belongs to the technical field of powder metallurgy materials. The developed water-based cleaning-free scaling powder comprises asolvent, active matter and an additive. The solvent is composed of deionized water, diethyl ether, aromatic oxide, butyl acetate, petroleum resin and terpene resin. The active matter is composed of citric acid, lactic acid, polyaspartic acid, poly(allylamine) and polyethyleneimine. In addition, a surface active agent, a corrosion inhibitor, a thixotropic agent, a film forming assistant and an antioxidant are included in the additive. Soya bean lecithin and fatty glyceride serve as main ingredients of the film forming assistant, and the antioxidant is tea polyphenol and gallic acid. The water-based cleaning-free scaling powder prepared through the technical scheme has the advantages of excellent spreadability and wettability, and meanwhile, compared with traditional scaling powder, the insulation performance and stability of the water-based cleaning-free scaling powder are obviously improved.

Chromatographic media of porous media particles derivatized with allylamine or polyallylamine obtained directly or through intermolecular polymerization on the surface thereof and such media functionalized with further functionalization groups. Such media are particularly useful for separating biomolecules.

Pressure sensitive adhesive compositions having enhanced resistance to water-whitening comprising an aqueous emulsion polymer are disclosed. The polymer comprises the polymerization reaction product of a polymerizable aqueous emulsion comprising: (i) a hydrophobic monomer mixture of at least one alkyl acrylate or alkyl methacrylate ester of an alcohol wherein the alkyl portion of the alcohol is linear or branched and contains at least 4 carbon atoms, and at least one styrenic monomer, wherein the styrenic monomer is up to about 30 wt. % of the total hydrophobic monomer mixture, (ii) at least about 1 wt. % of at least one hydrophilic monomer, (iii) at least about 5 wt. % of at least one partially hydrophilic monomer selected from alkyl acrylate or alkyl methacrylate esters of an alcohol wherein the alkyl portion of the alcohol has 1 to 2 carbon atoms, N-vinyl-2-pyrrolidone, or mixtures thererof, and (iv) a water-soluble or water-dispersible polymerizable surfactant selected from compounds having a terminal allyl amine moiety, polyoxyalkylene-1-(allyloxymethyl)alkyl ether sulfate salts, or mixtures thereof, and the average particle size of the polymer is less than or equal to 200 nm. Also disclosed are processes for preparing same.

The invention discloses an organosilicone modified isocyanate prepolymer for solvent-free type synthetic leather and a preparation method thereof. The prepolymer contains a compound in the structure shown in the description, wherein R is aryl or fatty group; a and b are natural numbers. The preparation method comprises the following steps that (1) octamethylcyclotetrasiloxane, 2,4,6,8-tetramethyl-2,4,6,8-tetraphenylcyclotetrasiloxane and acid catalysts are added into a reactor; then, tetramethyl dihydrodisiloxane is added; ring-opening polymerization reaction is performed for 4 to 6h at 60 to80 DEG C; temperature reduction, neutralization, water washing, filtering and micromolecule by-product removal are performed to obtain hydrogen-terminated blocking methyl phenyl polysiloxane; (2) thehydrogen-terminated methyl phenyl polysiloxane obtained in the step (1) and allyl amine react under H2PtCl6 catalysts to prepare hydrogen-terminated blocking methyl phenyl polysiloxane; (3) the product in the step (2) is dehydrated and then reacts with isocyanate monomers to generate the prepolymer with the terminal group being NCO.